import axios from "axios";
import { MessageBox, Message } from "element-ui";
import store from "@/store";
import router from "@/router";
import { getToken, removeToken } from "@/utils/auth";

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
});

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (getToken()) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers["Authorization"] = "Bearer " + getToken();
    }
    return config;
  },
  error => {
    // do something with request error
    console.log(error); // for debug
    return Promise.reject(error);
  }
);

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    let res = response.data;

    if (res.status_code === 200) {
      return res;
    } else {
      Message({
        message: res.message || "Error",
        type: "error",
        duration: 3 * 1000
      });
      return Promise.reject(new Error(res.message || "Error"));
    }
  },
  error => {
    console.error("err" + error); // for debug
    Message({
      message: error.message,
      type: "error",
      duration: 5 * 1000
    });

    if (error.response.data.status_code === 401) {
      removeToken();
      router.push("/login");
    }

    return Promise.reject(error);
  }
);

export default service;
